Clearly each plane graph has exactly one unbounded face.

显然，每个平面图都有一个无界面。

A plane graph together with the set of faces it determines is called a plane map.

一个平面图与它所确定的面的集的总体称为一个平面地图。

In this paper, we gave the optimization method when drawing the plane graph on the computer screen.

本文给出了在计算机屏幕上绘制平面图形时，提高其绘制效果的优化方法。

The identifying and classifying method of the features of dimension elements in a 2-d plane graph is suggested.

本文提出二维平面图形的尺寸单元特征识别分类的方法。

Based on the study of the structure of maximum plane graph, with normal mathematic reasoning, this thesis studied the color number problem of maximum plane graph.

以极大平面图的结构研究为基础，采用常规的数学推理方法研究极大平面图的点色数问题。

We are replacing the graph by its tangent plane.

我们用函数的切平面来替代它的图像。

So, that gives me a slice of my graph by a vertical plane, and the slice has a certain slope.

那样给出图像的一个垂直切面，这个切面上有某个斜率。

Say you have a minimum, well, the tangent plane at this point, at the bottom of the graph is going to be horizontal.

如果你说这是个极小值，那么这点的切平面应该是水平的。

We'll be slicing things by a plane that is now in the direction of this vector,u and we'll be looking at the slope of the slice of the graph.

用沿着向量方向的平面,切开图像,然后看图像的剖面图，找出斜率。

And, in terms of a graph, they correspond to slicing by a plane that's parallel to one of the coordinate planes, so that we either keep x constant, or keep y constant.

从图像上看，它们对应于,用平行于坐标轴的平面横截图像得到的，过程中保持x或y恒定。

Remember, partial f, partial x was obtained by y That means I am slicing the graph of f by a plane that is parallel to the x, z plane.

要记得，在这里的fx中,是作为常量保持不变的。，looking，at，the，situation，where，y，is，held，constant。,这是我用一个平行于xz坐标系的平面,横截了f，所得到的图形。

OK, and for a given value of x, what we will do is we'll slice our graph by this plane parallel to the yz plane.

对于给定的x，我们要做的就是，用平行于yz平面的平面去切图像。

See the point in the middle, at the origin, is a saddle point. If you look at the tangent plane to this graph, you will see that it is actually horizontal at the origin.

我们来看中间的那个点，在原点上，那就是一个鞍点，在这点做一个切平面,你可以看到这个切平面,是在原点上水平的。

The graph of a function one is just a horizontal plane at height one.

函数1的图像就是高度为1的水平面。

We know that f sub x and f sub y are the slopes of two tangent lines to this plane, two tangent lines to the graph.

我们知道fx和fy是,曲面上两条切线的斜率。

The struction of single jump twin increase function of plane is researched, simple, clear and definite struetion of single jump twin increase function graph of plane is obtained.

本文研究了平面上的单跳双增函数的结构，得到了平面上的单跳双增函数图象的明确、简洁、清楚的结构。

The graph of a function on a coordinate plane.

一种能在坐标平面上表示某一函数的图形。

A progressive representation model for street networks of vector data was presented based on the theory of plane Euclidean graph and abstract complex cell.

基于平面欧几里得图和抽象胞腔复形理论，提出了街道网矢量数据的渐进式表达模型。

The two-dimensional bandwidth problem is to find an embedding of graph G in a grid graph in the plane so that the longest edges are as short as possible.

二维带宽问题是将图G的顶点嵌入平面格子图，使其最长的连线尽可能短。

The crossing number of a graph is the minimum number of pairwise intersections of edges in a drawing of in the plane.

图的交叉数只在好画法中得到，好画法是指满足边自身不交叉，相关联的边不交叉，任意两条交叉的边至多交叉一次的画法。

The failure criterion can be judged by the rectangle region in the graph of the relation between ultimate out-of-plane load and ultimate in-plane shear.

它的破坏状态可以用极限面外荷载和极限面面内剪力关系图中围成的矩形区域来判断。

By "the graph of the set of ordered pairs" is meant the set of all points of the plane corresponding to the set of ordered pairs.

通过“序偶集的的图形”，说明了平面的所有点集与序偶集相对应。

There is an issue of A/B plane partition of HSTPs in the topology optimization of CCS7 network. It can be formulated into a new kind of graph partition problem.

七号信令网拓扑优化中存在高级信令转接点（HSTP）的A/ B平面划分问题，其可归纳为一类新的图的划分问题。

Thus, we give a make-graph method of conic section on plane with arbitrary point as foci, arbitrary line as directrices and arbitrary positive number as eccentricity.

从而给出了以平面上任意点为焦点、任意直线为准线，任意正数为离心率的圆锥曲线的直接作图方法。

The two dimensional bandwidth problem is to determine an embedding of graph G in a grid graph in the plane such that the longest edges are as short as possible.

二维带宽问题是：确定图G在平面格子上的一个嵌入，使得最长边尽可能短。

The graph of a function on a coordinate plane.

指定右垂直坐标轴在图表中的显示方式。

And the constraint-graph-model-de-fined constraint graph is generated by using improved vertical plane scanning algorithm.

并利用改进的垂直平面扫描算法生成由约束图模型定义的约束图。

According to certain combination, the information that three parts convey constitute main content of Plane Whole Show Method Graph.

这三部分按照一定组合所共同表达的信息构成了平法图的主要内容。